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diff --git a/www/wiki/includes/api/ApiQueryGeneratorBase.php b/www/wiki/includes/api/ApiQueryGeneratorBase.php
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+++ b/www/wiki/includes/api/ApiQueryGeneratorBase.php
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+<?php
+/**
+ * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * @ingroup API
+ */
+abstract class ApiQueryGeneratorBase extends ApiQueryBase {
+
+	private $mGeneratorPageSet = null;
+
+	/**
+	 * Switch this module to generator mode. By default, generator mode is
+	 * switched off and the module acts like a normal query module.
+	 * @since 1.21 requires pageset parameter
+	 * @param ApiPageSet $generatorPageSet ApiPageSet object that the module will get
+	 *        by calling getPageSet() when in generator mode.
+	 */
+	public function setGeneratorMode( ApiPageSet $generatorPageSet ) {
+		if ( $generatorPageSet === null ) {
+			ApiBase::dieDebug( __METHOD__, 'Required parameter missing - $generatorPageSet' );
+		}
+		$this->mGeneratorPageSet = $generatorPageSet;
+	}
+
+	/**
+	 * Indicate whether the module is in generator mode
+	 * @since 1.28
+	 * @return bool
+	 */
+	public function isInGeneratorMode() {
+		return $this->mGeneratorPageSet !== null;
+	}
+
+	/**
+	 * Get the PageSet object to work on.
+	 * If this module is generator, the pageSet object is different from other module's
+	 * @return ApiPageSet
+	 */
+	protected function getPageSet() {
+		if ( $this->mGeneratorPageSet !== null ) {
+			return $this->mGeneratorPageSet;
+		}
+
+		return parent::getPageSet();
+	}
+
+	/**
+	 * Overrides ApiBase to prepend 'g' to every generator parameter
+	 * @param string $paramName Parameter name
+	 * @return string Prefixed parameter name
+	 */
+	public function encodeParamName( $paramName ) {
+		if ( $this->mGeneratorPageSet !== null ) {
+			return 'g' . parent::encodeParamName( $paramName );
+		} else {
+			return parent::encodeParamName( $paramName );
+		}
+	}
+
+	/**
+	 * Overridden to set the generator param if in generator mode
+	 * @param string $paramName Parameter name
+	 * @param string|array $paramValue Parameter value
+	 */
+	protected function setContinueEnumParameter( $paramName, $paramValue ) {
+		if ( $this->mGeneratorPageSet !== null ) {
+			$this->getContinuationManager()->addGeneratorContinueParam( $this, $paramName, $paramValue );
+		} else {
+			parent::setContinueEnumParameter( $paramName, $paramValue );
+		}
+	}
+
+	/** @inheritDoc */
+	protected function getHelpFlags() {
+		// Corresponding messages: api-help-flag-generator
+		$flags = parent::getHelpFlags();
+		$flags[] = 'generator';
+		return $flags;
+	}
+
+	/**
+	 * Execute this module as a generator
+	 * @param ApiPageSet $resultPageSet All output should be appended to this object
+	 */
+	abstract public function executeGenerator( $resultPageSet );
+}